Hypognathousand Opisthognathus head

. Exopterygota and Endopterygota

Differentiate between the following pairs of words.

Differentiate between the following pairs of words.

Explain the role of hormones involved in moulting and metamorphosis.

Antidote

Antidote

Entomopathogenic fungi

Entomopathogenic fungi

Antifeedant

Antifeedant

Nanopesticide

Nanopesticide

 Biopesticide

Explain the different types of hydrolytic processes that help in detoxification of pesticides during extramicrosomal metabolism of pesticides.

How do insect growth regulators (IGRs) function as insecticides? What role do enzyme inhibitors play in the action of pesticides?

Describe the source, active ingredient and uses of neem oil as a safe pesticide.

Describe the source, active ingredient and uses of neem oil as a safe pesticide.

What are pyrethroids? How are these different from the pyrethrins? Categorize them based on the cyano group and discuss, their mode of action.

 What are organochlorine compounds? Describe their characteristic features and uses. Discuss, why these are considered harmful for the environment?